Transmission System Operations

The objective of this course is to look at different modes of communication that are employed in operation of the transmission system. Communication applications are demonstrated with particular emphasis upon the SCADA system as employed for system operation. After completion of this course and associated workbook, the participant should be able to understand the following concepts and apply them in day-to-day working activities.

At the end of this course you should be able to:

• The need for communication as an integral part of transmission system operation
• Techniques of communication employed in transmission system operation
• Typical application of the different communication techniques
• The function of the SCADA system
• Collection of data by RTUs
• Polling of RTUs throughout the system
• Transfer of data across communication links
• The need for carrier signals and modems
• Factors affecting the rate of data transmission
• Data transfer from RTUs to the CPU memory
• Frequency of CPU update
• Typical master station layout
• CPU and peripheral computers and devices
• Fail-over stand-by computer
• Applications software
• The operator interface
• The operator display functions
• Displaying equipment attributes
• Alarm annunciation
• Logging operating events
• Features of SCADA installations